diff --git a/yarn.lock b/yarn.lock
index 69d7c6ed5a..eed903a449 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3266,14 +3266,14 @@ __metadata:
   linkType: hard
 
 "@sourceacademy/sharedb-ace@npm:^2.0.3":
-  version: 2.0.3
-  resolution: "@sourceacademy/sharedb-ace@npm:2.0.3"
+  version: 2.1.1
+  resolution: "@sourceacademy/sharedb-ace@npm:2.1.1"
   dependencies:
-    event-emitter-es6: "npm:^1.1.5"
+    "@convergencelabs/ace-collab-ext": "npm:^0.6.0"
     logdown: "npm:^3.3.1"
-    reconnecting-websocket: "npm:^4.4.0"
-    sharedb: "npm:^1.4.1"
-  checksum: 10c0/68c829c0f63a3d902390183906bbd67b3646dde7a6cb46bd3cc4f6e9f78ff5ae8990460bd9f9da45ee714c033f647c56602b1c9bf1e717af121297f3ec873278
+    partysocket: "npm:^1.0.3"
+    sharedb: "npm:^5.1.1"
+  checksum: 10c0/2ae74468001f77a3e019d5d19e165916cc00a440b69b1aeb9f6a0fa4d253570772102fa2016421a5ae893713fa5c860739588ab3060b34e642082b7a926ab322
   languageName: node
   linkType: hard
 
@@ -4848,7 +4848,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"arraydiff@npm:^0.1.1":
+"arraydiff@npm:^0.1.3":
   version: 0.1.3
   resolution: "arraydiff@npm:0.1.3"
   checksum: 10c0/a376b8f6c22cd502b810a265c6043888ddbe55f367d28d42e5b1e10adf98290cd0308e4930429a30624715589d6801764b2933cf34af4aba333982b89f7e1f9c
@@ -4922,7 +4922,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"async@npm:^2.1.4, async@npm:^2.6.3":
+"async@npm:^2.1.4":
   version: 2.6.4
   resolution: "async@npm:2.6.4"
   dependencies:
@@ -4931,7 +4931,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"async@npm:^3.2.3":
+"async@npm:^3.2.3, async@npm:^3.2.4":
   version: 3.2.6
   resolution: "async@npm:3.2.6"
   checksum: 10c0/36484bb15ceddf07078688d95e27076379cc2f87b10c03b6dd8a83e89475a3c8df5848859dd06a4c95af1e4c16fc973de0171a77f18ea00be899aca2a4f85e70
@@ -7166,10 +7166,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"event-emitter-es6@npm:^1.1.5":
-  version: 1.1.5
-  resolution: "event-emitter-es6@npm:1.1.5"
-  checksum: 10c0/056c1b5e4a55fcf9d686808c85ea896dc0dfd0304f2bfb1de111bf3acf8b6e88261fb49a0a69281fd24def5646134bf1daf372bf00ed667971195f526cb8a9f6
+"event-target-polyfill@npm:^0.0.4":
+  version: 0.0.4
+  resolution: "event-target-polyfill@npm:0.0.4"
+  checksum: 10c0/7052b838df6509e8290f110daf94604dd05828834db4ad6fe4a12abc693da1a3274100cfd4ff3e47a941d5aa3fb7cdb8164d85402b93d85340bb3adc596d8732
   languageName: node
   linkType: hard
 
@@ -7254,13 +7254,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-deep-equal@npm:^2.0.1":
-  version: 2.0.1
-  resolution: "fast-deep-equal@npm:2.0.1"
-  checksum: 10c0/1602e0d6ed63493c865cc6b03f9070d6d3926e8cd086a123060b58f80a295f3f08b1ecfb479ae7c45b7fd45535202aea7cf5b49bc31bffb81c20b1502300be84
-  languageName: node
-  linkType: hard
-
 "fast-deep-equal@npm:^3.1.1, fast-deep-equal@npm:^3.1.3":
   version: 3.1.3
   resolution: "fast-deep-equal@npm:3.1.3"
@@ -10412,7 +10405,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ot-json0@npm:^1.0.1":
+"ot-json0@npm:^1.1.0":
   version: 1.1.0
   resolution: "ot-json0@npm:1.1.0"
   checksum: 10c0/b553940a90fc0b46f246a832b18cecb37089edd44dd6f6eec84a0753c54c1cf739fe19ef550efa2c0f15f7245eadb3226d7587416315413819512d4c1f7c02b4
@@ -10544,6 +10537,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"partysocket@npm:^1.0.3":
+  version: 1.1.4
+  resolution: "partysocket@npm:1.1.4"
+  dependencies:
+    event-target-polyfill: "npm:^0.0.4"
+  checksum: 10c0/d859bcaef5f5e8be0f383140a896a41e78c95fc2166002d2a60f09168c720d78864e8f8e3251ed5146d46bf9487102dd9c81d34893c811bfc8ea64f7236f2fed
+  languageName: node
+  linkType: hard
+
 "pascal-case@npm:^3.1.2":
   version: 3.1.2
   resolution: "pascal-case@npm:3.1.2"
@@ -11657,13 +11659,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"reconnecting-websocket@npm:^4.4.0":
-  version: 4.4.0
-  resolution: "reconnecting-websocket@npm:4.4.0"
-  checksum: 10c0/0155223200882e123bc884eb5935bdff7ee4d2998eee578c23bba6a6fec63b68c22ccaf9ff4bdcd05284568d89f02e6a664cc40daf108872f820197848b09579
-  languageName: node
-  linkType: hard
-
 "redent@npm:^3.0.0":
   version: 3.0.0
   resolution: "redent@npm:3.0.0"
@@ -12529,16 +12524,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sharedb@npm:^1.4.1":
-  version: 1.9.2
-  resolution: "sharedb@npm:1.9.2"
+"sharedb@npm:^5.1.1":
+  version: 5.2.2
+  resolution: "sharedb@npm:5.2.2"
   dependencies:
-    arraydiff: "npm:^0.1.1"
-    async: "npm:^2.6.3"
-    fast-deep-equal: "npm:^2.0.1"
+    arraydiff: "npm:^0.1.3"
+    async: "npm:^3.2.4"
+    fast-deep-equal: "npm:^3.1.3"
     hat: "npm:0.0.3"
-    ot-json0: "npm:^1.0.1"
-  checksum: 10c0/e9075b66f95175330bcb0753544ed3a23820a4b52f76994266fe56d5d137827207af6e8fb3dcfc86b3becf3ed7bf8d52dbe6485f95f3879e16d193bf27011612
+    ot-json0: "npm:^1.1.0"
+  checksum: 10c0/9e8f6726a4f31fa1df3dd4b7019de088247e1584692f61c7ca20fc198c1b8d2540eff57810bfef6ba7c879ce99a9cbc483318262cf591b5e2c651481f9991fdc
   languageName: node
   linkType: hard